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Povondraite Vs Cavansite


Cavansite Vs Povondraite


Astrology

Origin
-  
India  

Color
Brownish, Black  
Blue, Greenish  

Streak
Brown  
Blue, White  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.26  
2.25-2.33  

Fracture
Uneven  
-  

Cleavage
None  
Good on {010}  

Mohs Hardness
-9999  
3-4  

Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)  
Ca(VO)Si4O10•4(H2O)  

Optical Properties

Luster
Resinous  
Vitreous, Pearly  

Pleochroism
Strong: yellow-brown  
Visible: X=Z= colorless Y= blue  

Dispersion
0.02  
99+
0.04  
33

Transparency
Translucent  
-  

Refractive Index
-9999  
1.542  

Optic Character
-  
-  

Crystal System
-  
Orthorhombic  

Birefringence
-9999  
0.009  

Clarity
Translucent  
-  

Benefits

Physical
  
  

Neurological
-  
Enhances mental clarity and focus  

Cardiovascular
-  
Supports heart health  

Respiratory
-  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
-  
Communication  

Healing
-  
Emotional healing  

Qualities Associated
Protection  
Communication  

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Povondraite Vs Cavansite Fracture

Fracture is an important parameter when you compare Povondraite and Cavansite Physical Properties. It is necessary to understand the significance of these properties, before you compare Povondraite Vs Cavansite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Povondraite is Uneven.

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Povondraite Vs Cavansite Luster

A primary knowledge about Povondraite vs Cavansite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Povondraite exhibits Resinous luster. Cavansite, on other hand, exhibits Vitreous and Pearly luster.

Brown Gemstones

Brown Gemstones


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